Question: What was Zbigniew Brezzinski's position in 1977-1-20?
Paraphrase: What position did Zbigniew Brezzinski hold on 1977-1-20?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q168041 p:P39 ?s . ?s ps:P39 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1977')) }